Home / 7,935.40-11,903.10-4,436.20

Finding the Fourth Proportional to 7,935.40, 11,903.10 and 4,436.20

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Solution

The fourth proportional to 7,935.40, 11,903.10 and 4,436.20 is: 6,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.40 : 11,903.10 = 4,436.20 : x
  2. Step 2: Convert to fraction form
    7,935.40/11,903.10 = 4,436.20/x
  3. Step 3: Cross multiply
    7,935.40x = 11,903.10 × 4,436.20
  4. Step 4: Simplify right side
    7,935.40x = 52,804,532.22
  5. Step 5: Solve for x
    x = 52,804,532.22/7,935.40
  6. Step 6: Final answer
    x = 6,654.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.